package cn.zhz.tools;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class ConfigManager {
    private static ConfigManager configManager;
    public static Properties properties;

    private ConfigManager(){
        String configFile = "database.properties";
        properties = new Properties();
        InputStream is = ConfigManager.class.getClassLoader()
                .getResourceAsStream(configFile);
        try {
            properties.load(is);
            is.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static ConfigManager getInstance(){
        return configManager;
    }

    /*public static synchronized ConfigManager getInstance(){
        if (configManager == null) {
            configManager = new ConfigManager();
        }
        return configManager;
    }*/

    public String getValue(String key){
        return properties.getProperty(key);
    }
}
